All categories

4 years ago

2 Points

Mathematics

1 answer:

DIA [1.3K]4 years ago

7 0

Answer:

D. Different people look at future risks differently.

Explanation:

<em>Not everyone is committed to saving money for the future.</em> Though everyone knows how important it is to save money for retirement, <em>not all people can do it.</em> It is easier said than done. This is because "different people look at future risks differently."

Some people may constantly think about how they will become penniless if they stop working when they get older and this kind of thinking allows them to save money. On the contrary, other people would like to keep up with their lifestyle thus, cutting on saving for retirement. Most of the time, these people need to work until they grow older because they haven't saved enough money for their future.

Thus, this explains the answer.

You might be interested in

Which order pair is a solution to every linear equation in the form of ax+bx=0

MaRussiya [10]

You have given just one of the equations, and I guess you are looking for a formula for solving all linear equations.
I"d suggest looking at Cramer's rule for such a formula.
http://www.1728.org/cramer.htm

3 0

4 years ago

Construct the confidence interval for the population mean mu. c = 0.90, x = 16.9, s = 9.0, and n = 45. A 90% confidence inte

Georgia [21]

Answer:

The 90% confidence interval for population mean is $14.7 < \mu < 19.1$

Step-by-step explanation:

From the question we are told that

The sample mean is $\= x = 16.9$

The confidence level is $C = 0.90$

The sample size is $n = 45$

The standard deviation

Now given that the confidence level is 0.90 the level of significance is mathematically evaluated as

$\alpha = 1-0.90$

$\alpha = 0.10$

Next we obtain the critical value of $\frac{\alpha }{2}$ from the standardized normal distribution table. The values is $Z_{\frac{\alpha }{2} } = 1.645$

The reason we are obtaining critical values for $\frac{\alpha }{2}$ instead of that of $\alpha$ is because $\alpha$ represents the area under the normal curve where the confidence level 1 - $\alpha$ (90%) did not cover which include both the left and right tail while $\frac{\alpha }{2}$ is just considering the area of one tail which is what we required calculate the margin of error

Generally the margin of error is mathematically evaluated as

$MOE = Z_{\frac{\alpha }{2} } * \frac{\sigma }{\sqrt{n} }$

substituting values

$MOE = 1.645* \frac{ 9 }{\sqrt{45} }$

$MOE = 2.207$

The 90% confidence level interval is mathematically represented as

$\= x - MOE < \mu < \= x + MOE$

substituting values

$16.9 - 2.207 < \mu < 16.9 + 2.207$

$14.7 < \mu < 19.1$

3 0

3 years ago

A box contains the numbers 9, 2, 2, 11, 1, 8, 8, 2, 6, 1, 7, 3.

Katena32 [7]

Answer:

Step-by-step explanation:

4.5

There is no outlier.

3 0

3 years ago

Read 2 more answers

an environmental agency is analyzing soil samples from 50 farms for lead contamination. eight of the farms have dangerously high

shutvik [7]

Number of ways , two contaminated and 8 non- contaminated farms be choosen is 3,304,845,180.

Permutation and Combination

Combination is a mathematical way to arranging the set of values randomly.

ⁿCᵣ = n! / r! (n-r)!

we have given that ,

total number of farms for lead contamination = 50

Number of farms have dangerously high level of lead = 8

so, number of non- containmated farms ( no high level of lead ) = 50-8 = 42

We have to find the number of ways to choose two contaminated farms and eight non- contaminated farms. Two containmated farms are selected from 8 containated farms and 8 non- contaminated farms are selected from 42 farms .

Number of ways for selecting two containmated farms = ⁸C₂ = 8!/2!×6! = 8×7/2 = 28

Number of ways for selecting eight non-containmated farms from 42 farms = ⁴²C₈

= 42! / 8! 34! = 42×41×---×35/8×7×----×1

= 118013185

The total number of ways to obtain 2 containmated farms and 8 non- contaminated farms in 10 farms selected is then product of number of ways to select the 2 containmated farms and number of ways to select 8 non-containmated farms .

= 118030185× 28 = 3,304,845,180

To learn more about Combination and Permutation, refer:

brainly.com/question/28065038

#SPJ4

3 0

1 year ago

What is 2 4/5 as improper number

Luden [163]

$2\dfrac{4}{5}=\dfrac{2\cdot5+4}{5}=\dfrac{10+4}{5}=\dfrac{14}{5}\\\\------------------------\\\\2\dfrac{4}{5}=2+\dfrac{4}{5}=\dfrac{10}{5}+\dfrac{4}{5}=\dfrac{10+4}{5}=\dfrac{14}{5}$

4 0

3 years ago

Read 2 more answers